[clang] [Clang][Sema]: Allow copy constructor side effects (PR #81127)

[Vinayak Dev via cfe-commits]

vinayakdsci wrote:

@AaronBallman does this PR look good to go, or should I make any changes and updates? I would really be grateful for any pointers on how this can be improved.

Thanks a lot!

https://github.com/llvm/llvm-project/pull/81127